Sony STR-DE525 Service Manual page 20
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Also See for STR-DE525:
- Operating instructions manual (44 pages) ,
- Owner's manual (42 pages) ,
- Dimensional information (1 page)
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STR-DE525/V515
• IC103 uPD780208FGF
Pin No.
Pin Name
I/O
1
VDD
—
Power Supply (+5 V)
2
P37
O
Video IC SW1
3
P36/BUZ
O
Video IC SW2
4
P35/PCL
O
Video IC SW3
5
P34/TI2
O
Ground through resister
6
P33/TI1
O
S Mute
7
P32/TO2
I
Not used (ground)
8
P31/TO1
O
A-class mute
9
P30/TO0
O
Dolby latch
10
RESET
I
System reset
11
X2
—
System clock (4.19 MHz)
12
X1
I
System clock (4.19 MHz)
13
IC (VPP)
—
= VSS (0 V)
14
XT2
—
Open
15
P04/XT1
I
Ground
16
VDD
—
+5 V
17
P27/SCK0
O
Tone latch
18
P26/SO0/SB1
O
Serial clock
19
P25/SI0/SB0
O
Serial data
20
P24/BUSY
O
Serial latch
21
P23/STB
I
Auto stop
22
P22/SCK1
O
Tuner mute
23
P21/SO1
I
Stereo
24
P20/SI1
I
Tuner data in
25
AVSS
—
A/D ground (0 V)
26
P17/ANI7
I
SIRCS input
27
P16/ANI6
O
Video IC SW4
28
P15/ANI5
O
Ground through resister
29
P14/ANI4
I
Version
30
P13/ANI3
I
A/D key 4
31
P12/ANI2
I
A/D key 3
32
P11/ANI1
I
A/D key 2
33
P10/ANI0
I
A/D key 1
34
AVDD
—
A/D power supply (+5 V)
35
AVref
I
A/D reference voltage (+5 V)
36
P03/INTP3
O
Ground through resister
37
P02/INTP2
I
Ground
38
P01/INTP1
I
Ground
39
P00/INTP0/T10
I
STOP
40
VSS
—
0 V
41
P74
O
Direct pass relay
42
P73
O
Surround relay
43
P72
O
Center relay
44
P71
O
Front relay
45
P70
O
Mix/sub relay
46
VDD
—
+5 V
47
P127/FIP52
I
Protector in
48
P126/FIP51
O
Power relay
49
P125/FIP50
O
Bass boost
50
P124/EIP49
I
Speaker off
Description
— 33 —
Pin No.
Pin Name
I/O
51
P123/FIP48
O
Volume –
52
P122/EIP47
O
Volume +
53
P121/FIP46
I
Ground
54
P120/FIP45
I
Ground
55
P117/FIP44
I
Ground
56
P116/FIP43
I
Power switch in
57
P115/EIP42
O
5.1/DVD input LED
58
P114/FIP41
O
Tone LED
59
P113/FIP40
O
Muting LED
60
P112/FIP39
O
Bass/Treble LED
61
P111/FIP38
O
Surround LED
62
P110/FIP37
O
Index LED
63
P107/FIP36
O
PHONO LED
64
P106/FIP35
O
TUNER LED
65
P105/FIP34
O
TAPE/MD LED
66
P104/FIP33
O
CD LED
67
P103/FIP32
O
TV/LD LED
68
P102/FIP31
O
Ground through resister
69
P101/FIP30
O
Ground through resister
70
P100/FIP29
O
Video LED
71
P97/FIP28
O
P1
72
P96/FIP27
O
P2
73
P95/FIP26
O
P3
74
P94/FIP25
O
P4
75
P93/FIP24
O
P5
76
P92/FIP23
O
P6
77
P91/FIP22
O
P7
78
P90/FIP21
O
P8
79
Vload
—
FIP pull down (–35 V)
80
P87/FIP20
O
P9
81
P86/FIP19
O
P10
82
P85/FIP18
O
P11
83
P84/FIP17
O
P12
84
P83/FIP16
O
P13
85
P82/FIP15
O
P14
86
P81/FIP14
O
P15
87
P80/FIP13
O
P16
88
FIP12
O
P17
89
FIP11
O
12G
90
FIP10
O
11G
91
FIP9
O
10G
92
FIP8
O
9G
93
FIP7
O
8G
94
FIP6
O
7G
95
FIP5
O
6G
96
FIP4
O
5G
97
FIP3
O
4G
98
FIP2
O
3G
99
FIP1
O
2G
100
FIP0
O
1G
Description
— 34 —
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